^Compound microscope

^Compound microscope

Far point case (i.e. ve → ∞), eye is least strained.

The magnifying power for normal setting remains unchanged on interchanging the field & eye lens.

(b) L = vo + f    [As ue = fe (when ve → ∞

Near point case (i.e. ve = D), strain is maximum

(b) L = vo + ue » vo                      [As vo >>  ue

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